Norgren pneufit c c0029 series straight bulkhead unions norgren c00290400 this straight bulkhead union is from the pneufit c range of metric push in fittings the union is ready to use straight from the box offering fast assembly without the need for tools features releasable stainless steel grab rings to grip pa or pur hose types 85 or 95 durometer the fitting is manufactured using nickel plated brass components that provide corrosion and contamination resistance over an extended life